Home / 108,906.11-150,293.79-61,160.48

Finding the Fourth Proportional to 108,906.11, 150,293.79 and 61,160.48

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Solution

The fourth proportional to 108,906.11, 150,293.79 and 61,160.48 is: 84,403.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,906.11 : 150,293.79 = 61,160.48 : x
  2. Step 2: Convert to fraction form
    108,906.11/150,293.79 = 61,160.48/x
  3. Step 3: Cross multiply
    108,906.11x = 150,293.79 × 61,160.48
  4. Step 4: Simplify right side
    108,906.11x = 9,192,040,149.55
  5. Step 5: Solve for x
    x = 9,192,040,149.55/108,906.11
  6. Step 6: Final answer
    x = 84,403.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.